On Sun, Mar 19, 2000 at 10:28:14AM -0800, Linus Torvalds wrote:> > > On Sun, 19 Mar 2000, Rogier Wolff wrote:> > > > How about making "preemptive kernel" a "default-on" option on 2.4pre> > and a "default-off" option on the real 2.4 kernel?> > No, it's definitely too experimental - there are places that play games> with the irq state etc, so there can be things that need quite a lot of> debugging to get the threaded-UP case working fine.> > Maybe during 2.5.x we can back-port the changes to a 2.4.x release, and> give people a three-way choice: UP, threaded-UP or SMP. But it's not a> 2.4.x development thing.> > Linus

Does this mean that we are going to have yet another permutation ofthe binary interface? (Not that I personally really mind, although Ican see that it would be convenient to export certain inlined functionsthat are different between UP and SMP (and RTLinux).)

dave...

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